Forced Convection Correlations: internal_laminar_noncircular
Nusselt number correlation constants for forced convection heat transfer. Covers external cross-flow over cylinders (Hilpert circular, noncircular shapes, Zukauskas), tube bank arrays (C1/m constants and C2 row correction factors), and fully developed laminar internal flow in noncircular ducts. Each record provides C and m coefficients for power-law Nu correlations, valid Reynolds number range, and source reference. 51 records from Incropera Chapter 7 (Tables 7.2-7.6) and Chapter 8 (Table 8.1).
| correlation type | correlation subtype | Nu correlation text | Nu uniform Ts (dimensionless) | Nu uniform q (dimensionless) | conditions | f Re Dh (dimensionless) | geometry description |
|---|---|---|---|---|---|---|---|
| internal_laminar_noncircular | circle | Nu_q = 4.36; Nu_T = 3.66; f*Re_Dh = 64 | 3.66 | 4.36 | Laminar fully developed (Re < 2300); Nu_q: uniform heat flux; Nu_T: uniform wall temperature | 64 | Circular duct fully developed laminar |
| internal_laminar_noncircular | parallel_plates_both_heated | Nu_q = 8.23; Nu_T = 7.54; f*Re_Dh = 96 | 7.54 | 8.23 | Laminar fully developed; b/a = infinity; both plates heated | 96 | Parallel plates both heated fully developed laminar |
| internal_laminar_noncircular | parallel_plates_one_heated | Nu_q = 5.39; Nu_T = 4.86; f*Re_Dh = 96 | 4.86 | 5.39 | Laminar fully developed; b/a = infinity; one plate heated one insulated | 96 | Parallel plates one heated one insulated fully developed laminar |
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